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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.459 by root, Sat Dec 13 21:46:12 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
		81
		82	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
		85	our %EXT_CORO = (); # coroutines bound to extensions
		86	our %EXT_MAP = (); # pluggable maps
39		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	89	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		90
43	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	92	our $DATADIR = datadir;
		93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	109	our $NEXT_TICK;
46	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
47		116
48	our %CFG;	117	our %CFG;
49		118
50	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
52		122
53	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	125	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		126
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	127	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
61		138
62	binmode STDOUT;	139	binmode STDOUT;
63	binmode STDERR;	140	binmode STDERR;
64		141
65	# read virtual server time, if available	142	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
70	}	147	}
71		148
72	mkdir cf::localdir;	149	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		151
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
		153
		154	sub cf::map::normalise;
81		155
82	#############################################################################	156	#############################################################################
83		157
84	=head2 GLOBAL VARIABLES	158	=head2 GLOBAL VARIABLES
85		159
…		…
92	=item $cf::RUNTIME	166	=item $cf::RUNTIME
93		167
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	169	every server tick.
96		170
97	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		174
99	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
101		179
102	=item $cf::NOW	180	=item $cf::NOW
103		181
104	The time of the last (current) server tick.	182	The time of the last (current) server tick.
105		183
106	=item $cf::TICK	184	=item $cf::TICK
107		185
108	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
109		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
110	=item %cf::CFG	198	=item %cf::CFG
111		199
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	201	from wherever your confdir points to.
114		202
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		204
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
121		214
122	=back	215	=back
123		216
124	=cut	217	=cut
125		218
126	BEGIN {	219	BEGIN {
127	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	221	my $msg = join "", @_;
129	utf8::encode $msg;
130		222
131	$msg .= "\n"	223	$msg .= "\n"
132	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
133		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
134	LOG llevError, $msg;	228	LOG llevError, $msg;
135	};	229	};
136	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
137		246
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		254
145	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	256	# within the Safe compartment.
147	for my $pkg (qw(	257	for my $pkg (qw(
148	cf::global cf::attachable	258	cf::global cf::attachable
149	cf::object cf::object::player	259	cf::object cf::object::player
150	cf::client cf::player	260	cf::client cf::player
151	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
152	cf::map cf::party cf::region	263	cf::party cf::region
153	)) {	264	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	266	}
157		267
158	$Event::DIED = sub {	268	$EV::DIED = sub {
159	warn "error in event callback: @_";	269	warn "error in event callback: @_";
160	};	270	};
161		271
162	my %ext_pkg;	272	#############################################################################
163	my @exts;
164	my @hook;
165		273
166	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
167		275
168	=over 4	276	=over 4
169		277
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	297	$d
190	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
191	}	299	}
192		300
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
196		302
197	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
198		304
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
207		306
208	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
209		308
210	=cut	309	=cut
211		310
212	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
214	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
215	}	328	}
216		329
217	=item cf::lock_wait $string	330	=item cf::lock_wait $string
218		331
219	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
220		333
221	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
222		335
223	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
226	returned.	339	returned.
227		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
228	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
230		346
231	=cut	347	=item $locked = cf::lock_active $string
232		348
233	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
234		354
235	sub lock_wait($) {	355	sub lock_wait($) {
236	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	357	}
244		358
245	sub lock_acquire($) {	359	sub lock_acquire($) {
246	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
247		362
248	# wait, to be sure we are not locked	363	sub lock_active($) {
249	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	365	}
258		366
259	sub freeze_mainloop {	367	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
261		369
262	my $guard = Coro::guard { $TICK_WATCHER->start };	370	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	371	}
264	$guard	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
		431	}
		432	};
		433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
265	}	446	}
266		447
267	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
268		449
269	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		455
275	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
276		457
277	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
278		459
279	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
282		464
283	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
286	fast or be very important.	468	fast or be very important.
…		…
289		471
290	sub sync_job(&) {	472	sub sync_job(&) {
291	my ($job) = @_;	473	my ($job) = @_;
292		474
293	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
294	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
296		480
297	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	482
299	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
300		484
301	my $busy = 1;	485	my $busy = 1;
302	my @res;	486	my @res;
303		487
304	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	490	@res = eval { $job->() };
306	warn $@ if $@;	491	warn $@ if $@;
307	undef $busy;	492	undef $busy;
308	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
309		494
310	while ($busy) {	495	while ($busy) {
311	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
312	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
313		506
314	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
315	} else {	508	} else {
316	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
317		510
…		…
319	}	512	}
320	}	513	}
321		514
322	=item $coro = cf::async_ext { BLOCK }	515	=item $coro = cf::async_ext { BLOCK }
323		516
324	Like async, but this coro is automcatially being canceled when the	517	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	518	extension calling this is being unloaded.
326		519
327	=cut	520	=cut
328		521
329	sub async_ext(&) {	522	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
338		531
339	$coro	532	$coro
340	}	533	}
341		534
342	sub write_runtime {	535	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		536
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
346	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
347		541
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	542	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		543
352	aio_fsync $fh	544	sub fork_call(&@) {
353	and return;	545	my ($cb, @args) = @_;
354		546
355	close $fh	547	# we seemingly have to make a local copy of the whole thing,
356	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
357		550
358	aio_rename "$runtime~", $runtime	551	my @res = Coro::Util::fork_eval {
359	and return;	552	reset_signals;
		553	&$cb
		554	}, @args;
360		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
361	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	722	}
363		723
364	=back	724	=back
365		725
366	=cut	726	=cut
367		727
368	#############################################################################	728	#############################################################################
369		729
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
493		731
494	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
497		735
498	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	738	Deliantra).
501		739
502	=over 4	740	=over 4
503		741
504	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
505		743
…		…
549	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
550		788
551	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
553		791
554	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
556		794
557	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
558		796
559	=over 4	797	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	857	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	858	our @CB_MAP = ();
621		859
622	my %attachment;	860	my %attachment;
623		861
		862	sub cf::attachable::thawer_merge {
		863	# simply override everything except _meta
		864	local $_[0]{_meta};
		865	%{$_[0]} = %{$_[1]};
		866	}
		867
624	sub _attach_cb($$$$) {	868	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	869	my ($registry, $event, $prio, $cb) = @_;
626		870
627	use sort 'stable';	871	use sort 'stable';
628		872
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
663		907
664	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		912
669	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	914	my $pkg = shift @arg;
671		915
672	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
702	}	946	}
703		947
704	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
705	} else {	949	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	951	}
708		952
709	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
710	}	954	}
711		955
…		…
713	if (ref $_[0]) {	957	if (ref $_[0]) {
714	_object_attach @_;	958	_object_attach @_;
715	} else {	959	} else {
716	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
717	}	961	}
		962	_recalc_want;
718	};	963	};
719		964
720	# all those should be optimised	965	# all those should be optimised
721	sub cf::attachable::detach {	966	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
726	reattach ($obj);	971	reattach ($obj);
727	} else {	972	} else {
728	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
729	}	974	}
		975	_recalc_want;
730	};	976	};
731		977
732	sub cf::attachable::attached {	978	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
734		980
…		…
749	";	995	";
750	die if $@;	996	die if $@;
751	}	997	}
752		998
753	our $override;	999	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1001
756	sub override {	1002	sub override {
757	$override = 1;	1003	$override = 1;
758	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
759	}	1005	}
760		1006
761	sub do_invoke {	1007	sub do_invoke {
762	my $event = shift;	1008	my $event = shift;
763	my $callbacks = shift;	1009	my $callbacks = shift;
764		1010
765	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
766		1012
767	local $override;	1013	local $override;
768		1014
769	for (@$callbacks) {	1015	for (@$callbacks) {
770	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
779	}	1025	}
780		1026
781	0	1027	0
782	}	1028	}
783		1029
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1031
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1033
788	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
789		1035
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1039
794	=back	1040	=back
795		1041
796	=cut	1042	=cut
797		1043
798	#############################################################################	1044	#############################################################################
799	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
800		1088
801	sub reattach {	1089	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1091	my ($obj) = @_;
		1092
		1093	# no longer needed after getting rid of delete_package?
		1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1095
805	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
806		1097
807	@$registry = ();	1098	@$registry = ();
808		1099
…		…
823	cf::attachable->attach (	1114	cf::attachable->attach (
824	prio => -1000000,	1115	prio => -1000000,
825	on_instantiate => sub {	1116	on_instantiate => sub {
826	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
827		1118
828	$data = from_json $data;	1119	$data = decode_json $data;
829		1120
830	for (@$data) {	1121	for (@$data) {
831	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
832		1123
833	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1140	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
851		1142
852	sync_job {	1143	sync_job {
853	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
856		1148
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1153	aio_close $fh;
862		1154
863	if (@$objs) {	1155	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1161	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
871	}	1163	}
872	} else {	1164	} else {
873	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
874	}	1166	}
875		1167
876	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1172	} else {
878	warn "FATAL: $filename~: $!\n";	1173	warn "FATAL: $filename~: $!\n";
879	}	1174	}
880	} else {	1175	} else {
881	aio_unlink $filename;	1176	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
883	}	1178	}
884	}	1179	};
885	}	1180	}
886		1181
887	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
889		1184
…		…
901	or return;	1196	or return;
902		1197
903	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
905	or return;	1200	or return;
		1201
906	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
907	}	1204	}
908		1205
		1206	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
911	return ($data, $av);	1210	($data, $av)
912	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
913		1218
914	#############################################################################	1219	#############################################################################
915	# command handling &c	1220	# command handling &c
916		1221
917	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1236	}
932		1237
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1239
935	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
936		1245
937	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
938	called.	1247	called.
939		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
940	=cut	1260	=cut
941		1261
942	sub register_extcmd {	1262	sub register_extcmd {
943	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
944		1264
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1265	$EXTCMD{$name} = $cb;
949	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
950		1275
951	cf::player->attach (	1276	cf::player->attach (
952	on_command => sub {	1277	on_command => sub {
953	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
954		1279
…		…
962	cf::override;	1287	cf::override;
963	},	1288	},
964	on_extcmd => sub {	1289	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
966		1291
967	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1293
969	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
975	} else {	1309	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1311	}
978		1312
979	cf::override;	1313	cf::override;
980	},	1314	},
981	);	1315	);
982		1316
983	sub register {	1317	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1318	sub cache_extensions {
990	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
991		1320
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
993	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1324	}
1042	}	1325	};
1043		1326
1044	# remove extcmds	1327	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1328	}
1058		1329
1059	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
1060	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1335	next unless -r $path;
1062	eval {	1336
1063	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
1064	1	1393	}
1065	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
1066	}	1399	};
1067	}	1400	}
1068		1401
1069	#############################################################################	1402	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1403
1072	*cf::mapsupport::on_clean = sub {	1404	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1405
1085	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1086		1407
1087	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1088		1409
1089	=cut	1410	=cut
1090		1411
1091	package cf::player;	1412	package cf::player;
1092		1413
…		…
1094		1415
1095	=head3 cf::player	1416	=head3 cf::player
1096		1417
1097	=over 4	1418	=over 4
1098		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
1099	=item cf::player::find $login	1434	=item cf::player::find $login
1100		1435
1101	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1102		1437
1103	=cut	1438	=cut
1104		1439
1105	sub playerdir($) {	1440	sub playerdir($) {
1106	cf::localdir	1441	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1443	}
1112		1444
1113	sub path($) {	1445	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1447
1116	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
1117	}	1449	}
1118		1450
1119	sub find_active($) {	1451	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
1124		1456
1125	sub exists($) {	1457	sub exists($) {
1126	my ($login) = @_;	1458	my ($login) = @_;
1127		1459
1128	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1461	or !aio_stat path $login
1130	}	1462	}
1131		1463
1132	sub find($) {	1464	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1466	my $login = $_[0];
1135		1467
1136	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
1137		1469
1138	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1142	}	1487	}
1143	}	1488	}
1144	}	1489	}
1145		1490
…		…
1154	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1155		1500
1156	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1158		1503
		1504	cf::get_slot 0.01;
		1505
1159	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1160	Coro::cede;	1507	cf::cede_to_tick;
1161	}	1508	}
1162		1509
1163	sub new($) {	1510	sub new($) {
1164	my ($login) = @_;	1511	my ($login) = @_;
1165		1512
…		…
1171	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1172		1519
1173	$self	1520	$self
1174	}	1521	}
1175		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1176	=item $pl->quit_character	1533	=item $pl->quit_character
1177		1534
1178	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1180		1537
1181	=cut	1538	=cut
1182		1539
1183	sub quit_character {	1540	sub quit_character {
1184	my ($pl) = @_;	1541	my ($pl) = @_;
1185		1542
		1543	my $name = $pl->ob->name;
		1544
1186	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1547
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1193		1554
1194	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1199	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
1200	}	1581	}
1201		1582
1202	=item cf::player::list_logins	1583	=item cf::player::list_logins
1203		1584
1204	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1206		1587
1207	=cut	1588	=cut
1208		1589
1209	sub list_logins {	1590	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1592	or return [];
1212		1593
1213	my @logins;	1594	my @logins;
1214		1595
1215	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1219		1606
1220	utf8::decode $login;	1607	utf8::decode $login;
1221	push @logins, $login;	1608	push @logins, $login;
1222	}	1609	}
1223		1610
1224	\@logins	1611	\@logins
1225	}	1612	}
1226		1613
1227	=item $player->maps	1614	=item $player->maps
1228		1615
1229	Returns an arrayref of cf::path's of all maps that are private for this	1616	Returns an arrayref of map paths that are private for this
1230	player. May block.	1617	player. May block.
1231		1618
1232	=cut	1619	=cut
1233		1620
1234	sub maps($) {	1621	sub maps($) {
1235	my ($pl) = @_;	1622	my ($pl) = @_;
		1623
		1624	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1625
1237	my $files = aio_readdir playerdir $pl	1626	my $files = aio_readdir playerdir $pl
1238	or return;	1627	or return;
1239		1628
1240	my @paths;	1629	my @paths;
1241		1630
1242	for (@$files) {	1631	for (@$files) {
1243	utf8::decode $_;	1632	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1633	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1634	next unless /^$PATH_SEP/o;
1246		1635
1247	s/$PATH_SEP/\//g;	1636	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1637	}
1250		1638
1251	\@paths	1639	\@paths
1252	}	1640	}
1253		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1255		1647
1256	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1257		1649
1258	=cut	1650	=cut
1259		1651
1260	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1262		1654
1263	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1656	}
1267		1657
1268	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1269		1698
1270	=back	1699	=back
1271
1272		1700
1273	=head3 cf::map	1701	=head3 cf::map
1274		1702
1275	=over 4	1703	=over 4
1276		1704
…		…
1279	package cf::map;	1707	package cf::map;
1280		1708
1281	use Fcntl;	1709	use Fcntl;
1282	use Coro::AIO;	1710	use Coro::AIO;
1283		1711
		1712	use overload
		1713	'""' => \&as_string,
		1714	fallback => 1;
		1715
1284	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1286		1718
1287	sub generate_random_map {	1719	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1723
1290	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1725	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1729	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1730	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1731	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1732	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1733	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1734	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1735	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1736	(cf::region::find $rmp->{region}), $rmp->{custom}
		1737	)
		1738	}
		1739
		1740	=item cf::map->register ($regex, $prio)
		1741
		1742	Register a handler for the map path matching the given regex at the
		1743	givne priority (higher is better, built-in handlers have priority 0, the
		1744	default).
		1745
		1746	=cut
		1747
		1748	sub register {
		1749	my (undef, $regex, $prio) = @_;
		1750	my $pkg = caller;
		1751
		1752	no strict;
		1753	push @{"$pkg\::ISA"}, __PACKAGE__;
		1754
		1755	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1756	}
		1757
		1758	# also paths starting with '/'
		1759	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1760
		1761	sub thawer_merge {
		1762	my ($self, $merge) = @_;
		1763
		1764	# we have to keep some variables in memory intact
		1765	local $self->{path};
		1766	local $self->{load_path};
		1767
		1768	$self->SUPER::thawer_merge ($merge);
		1769	}
		1770
		1771	sub normalise {
		1772	my ($path, $base) = @_;
		1773
		1774	$path = "$path"; # make sure its a string
		1775
		1776	$path =~ s/\.map$//;
		1777
		1778	# map plan:
		1779	#
		1780	# /! non-realised random map exit (special hack!)
		1781	# {... are special paths that are not being touched
		1782	# ?xxx/... are special absolute paths
		1783	# ?random/... random maps
		1784	# /... normal maps
		1785	# ~user/... per-player map of a specific user
		1786
		1787	$path =~ s/$PATH_SEP/\//go;
		1788
		1789	# treat it as relative path if it starts with
		1790	# something that looks reasonable
		1791	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1792	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1793
		1794	$base =~ s{[^/]+/?$}{};
		1795	$path = "$base/$path";
		1796	}
		1797
		1798	for ($path) {
		1799	redo if s{//}{/};
		1800	redo if s{/\.?/}{/};
		1801	redo if s{/[^/]+/\.\./}{/};
		1802	}
		1803
		1804	$path
		1805	}
		1806
		1807	sub new_from_path {
		1808	my (undef, $path, $base) = @_;
		1809
		1810	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1811
		1812	$path = normalise $path, $base;
		1813
		1814	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1815	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1816	my $self = bless cf::map::new, $pkg;
		1817	$self->{path} = $path; $self->path ($path);
		1818	$self->init; # pass $1 etc.
		1819	return $self;
		1820	}
		1821	}
		1822
		1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1824	()
		1825	}
		1826
		1827	sub init {
		1828	my ($self) = @_;
		1829
		1830	$self
		1831	}
		1832
		1833	sub as_string {
		1834	my ($self) = @_;
		1835
		1836	"$self->{path}"
		1837	}
		1838
		1839	# the displayed name, this is a one way mapping
		1840	sub visible_name {
		1841	&as_string
		1842	}
		1843
		1844	# the original (read-only) location
		1845	sub load_path {
		1846	my ($self) = @_;
		1847
		1848	"$MAPDIR/$self->{path}.map"
		1849	}
		1850
		1851	# the temporary/swap location
		1852	sub save_path {
		1853	my ($self) = @_;
		1854
		1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1856	"$TMPDIR/$path.map"
		1857	}
		1858
		1859	# the unique path, undef == no special unique path
		1860	sub uniq_path {
		1861	my ($self) = @_;
		1862
		1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1864	"$UNIQUEDIR/$path"
1304	}	1865	}
1305		1866
1306	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1307	# all maps in C++...	1868	# all maps in C++...
1308	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1310		1871
1311	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1313	}	1874	}
1314		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
		1884	sub unlink_save {
		1885	my ($self) = @_;
		1886
		1887	utf8::encode (my $save = $self->save_path);
		1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1890	}
		1891
1315	sub try_load_header($) {	1892	sub load_header_from($) {
1316	my ($path) = @_;	1893	my ($self, $path) = @_;
1317		1894
1318	utf8::encode $path;	1895	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1320	or return;	1897	or return;
1321		1898
1322	my $map = cf::map::new	1899	$self->_load_header ($f)
1323	or return;	1900	or return;
1324		1901
1325	# for better error messages only, will be overwritten	1902	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1903	$f->resolve_delayed_derefs;
1327		1904
1328	$map->load_header ($path)	1905	$self->{load_path} = $path;
		1906
		1907	1
		1908	}
		1909
		1910	sub load_header_orig {
		1911	my ($self) = @_;
		1912
		1913	$self->load_header_from ($self->load_path)
		1914	}
		1915
		1916	sub load_header_temp {
		1917	my ($self) = @_;
		1918
		1919	$self->load_header_from ($self->save_path)
		1920	}
		1921
		1922	sub prepare_temp {
		1923	my ($self) = @_;
		1924
		1925	$self->last_access ((delete $self->{last_access})
		1926	|| $cf::RUNTIME); #d#
		1927	# safety
		1928	$self->{instantiate_time} = $cf::RUNTIME
		1929	if $self->{instantiate_time} > $cf::RUNTIME;
		1930	}
		1931
		1932	sub prepare_orig {
		1933	my ($self) = @_;
		1934
		1935	$self->{load_original} = 1;
		1936	$self->{instantiate_time} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
		1938	$self->instantiate;
		1939	}
		1940
		1941	sub load_header {
		1942	my ($self) = @_;
		1943
		1944	if ($self->load_header_temp) {
		1945	$self->prepare_temp;
		1946	} else {
		1947	$self->load_header_orig
1329	or return;	1948	or return;
		1949	$self->prepare_orig;
		1950	}
1330		1951
1331	$map->{load_path} = $path;	1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
1332		1954
1333	$map	1955	$self->default_region (cf::region::find_by_path $self->{path})
		1956	unless $self->default_region;
		1957
		1958	1
1334	}	1959	}
1335		1960
1336	sub find;	1961	sub find;
1337	sub find {	1962	sub find {
1338	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1339		1964
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1966
1345	cf::lock_wait "map_find:$key";	1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1349		1969
1350	# do it the slow way	1970	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	1971	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1972	or return;
1369		1973
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1382		1975
1383	Coro::cede;	1976	$map->load_header
		1977	or return;
1384		1978
1385	if ($map->should_reset) {	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1980	# doing this can freeze the server in a sync job, obviously
		1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1386	$map->reset;	1984	$map->reset;
1387	undef $guard;
1388	$map = find $path	1985	return find $path;
1389	or return;
1390	}	1986	}
1391		1987
1392	$cf::MAP{$key} = $map	1988	$cf::MAP{$path} = $map
1393	}	1989	}
1394	}	1990	}
		1991
		1992	sub pre_load { }
		1993	sub post_load { }
1395		1994
1396	sub load {	1995	sub load {
1397	my ($self) = @_;	1996	my ($self) = @_;
1398		1997
		1998	local $self->{deny_reset} = 1; # loading can take a long time
		1999
1399	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2003	my $guard = cf::lock_acquire "map_data:$path";
1401		2004
		2005	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2007
1404	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1405		2009
1406	$self->alloc;	2010	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2011
		2012	$self->pre_load;
		2013	cf::cede_to_tick;
		2014
		2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
		2017	$self->_load_objects ($f)
1408	or return;	2018	or return;
1409		2019
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1411	if delete $self->{load_original};	2021	if delete $self->{load_original};
1412		2022
1413	if (my $uniq = $path->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2024	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2027	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1418	}	2031	}
1419	}	2032	}
1420		2033
1421	Coro::cede;	2034	$f->resolve_delayed_derefs;
1422		2035
		2036	cf::cede_to_tick;
1423	# now do the right thing for maps	2037	# now do the right thing for maps
1424	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2040	unless $self->difficulty;
		2041	cf::cede_to_tick;
		2042
		2043	unless ($self->{deny_activate}) {
		2044	$self->decay_objects;
		2045	$self->fix_auto_apply;
		2046	$self->update_buttons;
		2047	cf::cede_to_tick;
		2048	$self->set_darkness_map;
		2049	cf::cede_to_tick;
1436	$self->activate;	2050	$self->activate;
1437	}	2051	}
1438		2052
1439	Coro::cede;	2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
1440		2055
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
		2057	}
		2058
		2059	$self->post_load;
		2060	}
		2061
		2062	sub customise_for {
		2063	my ($self, $ob) = @_;
		2064
		2065	return find "~" . $ob->name . "/" . $self->{path}
		2066	if $self->per_player;
		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
		2071	$self
		2072	}
		2073
		2074	# find and load all maps in the 3x3 area around a map
		2075	sub load_neighbours {
		2076	my ($map) = @_;
		2077
		2078	my @neigh; # diagonal neighbours
		2079
		2080	for (0 .. 3) {
		2081	my $neigh = $map->tile_path ($_)
		2082	or next;
		2083	$neigh = find $neigh, $map
		2084	or next;
		2085	$neigh->load;
		2086
		2087	push @neigh,
		2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2090	}
		2091
		2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
		2094	my $neigh = find $path, $origin
		2095	or next;
		2096	$neigh->load;
		2097	}
1442	}	2098	}
1443		2099
1444	sub find_sync {	2100	sub find_sync {
1445	my ($path, $origin) = @_;	2101	my ($path, $origin) = @_;
1446		2102
1447	cf::sync_job { cf::map::find $path, $origin }	2103	cf::sync_job { find $path, $origin }
1448	}	2104	}
1449		2105
1450	sub do_load_sync {	2106	sub do_load_sync {
1451	my ($map) = @_;	2107	my ($map) = @_;
1452		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1453	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
		2113	}
		2114
		2115	our %MAP_PREFETCH;
		2116	our $MAP_PREFETCHER = undef;
		2117
		2118	sub find_async {
		2119	my ($path, $origin, $load) = @_;
		2120
		2121	$path = normalise $path, $origin && $origin->{path};
		2122
		2123	if (my $map = $cf::MAP{$path}) {
		2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2125	}
		2126
		2127	$MAP_PREFETCH{$path} |= $load;
		2128
		2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
		2132	while (%MAP_PREFETCH) {
		2133	while (my ($k, $v) = each %MAP_PREFETCH) {
		2134	if (my $map = find $k) {
		2135	$map->load if $v;
		2136	}
		2137
		2138	delete $MAP_PREFETCH{$k};
		2139	}
		2140	}
		2141	undef $MAP_PREFETCHER;
		2142	};
		2143	$MAP_PREFETCHER->prio (6);
		2144
		2145	()
1454	}	2146	}
1455		2147
1456	sub save {	2148	sub save {
1457	my ($self) = @_;	2149	my ($self) = @_;
1458		2150
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1460		2152
1461	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1462		2154
1463	return unless $self->dirty;	2155	return unless $self->dirty;
1464		2156
1465	my $save = $self->{path}->save_path; utf8::encode $save;	2157	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2158	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		2159
1468	$self->{load_path} = $save;	2160	$self->{load_path} = $save;
1469		2161
1470	return if $self->{deny_save};	2162	return if $self->{deny_save};
1471		2163
1472	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1473		2165
1474	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1475	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1476	};	2169	};
1477		2170
		2171	cf::get_slot 0.02;
		2172
1478	if ($uniq) {	2173	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	2176	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	2178	}
1484	}	2179	}
1485		2180
1486	sub swap_out {	2181	sub swap_out {
1487	my ($self) = @_;	2182	my ($self) = @_;
1488		2183
1489	# save first because save cedes	2184	# save first because save cedes
1490	$self->save;	2185	$self->save;
1491		2186
1492	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1493		2188
1494	return if $self->players;	2189	return if $self->players;
1495	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1496	return if $self->{deny_save};	2191	return if $self->{deny_save};
1497		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1498	$self->clear;	2197	$self->clear;
1499	$self->in_memory (cf::MAP_SWAPPED);
1500	}	2198	}
1501		2199
1502	sub reset_at {	2200	sub reset_at {
1503	my ($self) = @_;	2201	my ($self) = @_;
1504		2202
1505	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1508		2205
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2208
…		…
1516	my ($self) = @_;	2213	my ($self) = @_;
1517		2214
1518	$self->reset_at <= $cf::RUNTIME	2215	$self->reset_at <= $cf::RUNTIME
1519	}	2216	}
1520		2217
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2218	sub reset {
1543	my ($self) = @_;	2219	my ($self) = @_;
1544		2220
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2222
1547	return if $self->players;	2223	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2224
1550	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
		2226
		2227	$self->in_memory (cf::MAP_SWAPPED);
		2228
		2229	# need to save uniques path
		2230	unless ($self->{deny_save}) {
		2231	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2232
		2233	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2234	if $uniq;
		2235	}
1551		2236
1552	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1553		2238
		2239	$self->deactivate;
1554	$_->clear_links_to ($self) for values %cf::MAP;	2240	$_->clear_links_to ($self) for values %cf::MAP;
		2241	$self->clear;
1555		2242
1556	$self->unlink_save;	2243	$self->unlink_save;
1557	$self->destroy;	2244	$self->destroy;
1558	}	2245	}
1559		2246
1560	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1561		2248
1562	sub nuke {	2249	sub nuke {
1563	my ($self) = @_;	2250	my ($self) = @_;
1564		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
		2255	delete $cf::MAP{$self->path};
		2256
		2257	$self->unlink_save;
		2258
		2259	bless $self, "cf::map";
		2260	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2264
		2265	$cf::MAP{$self->path} = $self;
		2266	}
		2267
1568	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
1569	}	2269	}
1570		2270
1571	sub customise_for {	2271	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2272
1574	if ($map->per_player) {	2273	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
1576	}	2279	[
1577		2280	map {
1578	$map	2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
1579	}	2287	}
1580		2288
1581	package cf;	2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item cf::map::unique_maps
		2308
		2309	Returns an arrayref of paths of all shared maps that have
		2310	instantiated unique items. May block.
		2311
		2312	=cut
		2313
		2314	sub unique_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
		2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
		2323	]
		2324	}
1582		2325
1583	=back	2326	=back
1584		2327
1585	=head3 cf::object	2328	=head3 cf::object
1586		2329
…		…
1590		2333
1591	=over 4	2334	=over 4
1592		2335
1593	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1594		2337
1595	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1596		2340
1597	=cut	2341	=cut
1598		2342
1599	sub inv_recursive_;	2343	sub inv_recursive_;
1600	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1603		2347
1604	sub inv_recursive {	2348	sub inv_recursive {
1605	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1606	}	2350	}
1607		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1608	package cf;	2380	package cf;
1609		2381
1610	=back	2382	=back
1611		2383
1612	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1618	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1619	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1620	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1621		2393
1622	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1623		2409
1624	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1625	# with dialog boxes.	2411	# with dialog boxes.
1626	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1627	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1629		2415
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2417
1632	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1634	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1635	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1637	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1638	}	2443	}
1639		2444
1640	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1641		2446
1642	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1655		2460
1656	=item $player_object->enter_link	2461	=item $player_object->enter_link
1657		2462
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2464
1660	The player should be reaosnably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1661	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
		2469
		2470	Will never block.
1662		2471
1663	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1664		2473
1665	Moves the player out of the specila link map onto the given map. If the	2474	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2475	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2476	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2477	fails, to the emergency map position.
1669		2478
1670	Might block.	2479	Might block.
1671		2480
1672	=cut	2481	=cut
		2482
		2483	sub link_map {
		2484	unless ($LINK_MAP) {
		2485	$LINK_MAP = cf::map::find "{link}"
		2486	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2487	$LINK_MAP->load;
		2488	}
		2489
		2490	$LINK_MAP
		2491	}
1673		2492
1674	sub cf::object::player::enter_link {	2493	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2494	my ($self) = @_;
1676		2495
1677	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1678		2497
1679	return if $self->map == $LINK_MAP;	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2499
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1683		2502
1684	$self->enter_map ($LINK_MAP, 20, 20);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	2504	}
1686		2505
1687	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1689		2510
1690	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1691		2512
1692	unless ($map) {	2513	unless ($map) {
1693	# restore original map position	2514	# restore original map position
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1710		2531
1711	$map->load;	2532	$map->load;
		2533	$map->load_neighbours;
1712		2534
1713	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1714	$self->activate_recursive;	2537	$self->activate_recursive;
		2538
		2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1716	}	2541	}
1717		2542
1718	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1719	on_logout => sub {
1720	my ($pl) = @_;
1721		2544
1722	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1723	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1724	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1725	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1726	};	2549	be called at the end of this process.
1727	}
1728	},
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2550
1732	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1733	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749		2553
1750	=item $player_object->goto ($path, $x, $y)
1751
1752	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1753		2557
1754	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2560
1757	$path = new cf::path $path;	2561	# do generation counting so two concurrent goto's will be executed in-order
1758	$path ne "/" or Carp::cluck ("oy");#d#	2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2563
1760	$self->enter_link;	2564	$self->enter_link;
1761		2565
1762	(async {	2566	(async {
1763	my $map = cf::map::find $path->as_string;	2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
		2588	my $map = eval {
		2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
1765		2593	$map = $check->($map) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2594	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
1770		2597
		2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
		2604	}
		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1772	})->prio (1);	2612	})->prio (1);
1773	}	2613	}
1774		2614
1775	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1776		2616
…		…
1778		2618
1779	sub parse_random_map_params {	2619	sub parse_random_map_params {
1780	my ($spec) = @_;	2620	my ($spec) = @_;
1781		2621
1782	my $rmp = { # defaults	2622	my $rmp = { # defaults
1783	xsize => 10,	2623	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2624	ysize => (cf::rndm 15, 40),
		2625	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2626	#layout => string,
1785	};	2627	};
1786		2628
1787	for (split /\n/, $spec) {	2629	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2630	my ($k, $v) = split /\s+/, $_, 2;
1789		2631
…		…
1801	# that depends on the exit object	2643	# that depends on the exit object
1802		2644
1803	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
1804		2646
1805	if ($exit->map) {	2647	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2648	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1810	}	2654	}
1811		2655
1812	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1813		2657
1814	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1815	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
		2660	my $meta = "$RANDOMDIR/$md5.meta";
1816		2661
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
		2664	undef $fh;
		2665	aio_rename "$meta~", $meta;
1819		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1820	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
1822	}	2673	}
1823	}	2674	}
1824		2675
1825	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
…		…
1828	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
1829		2680
1830	$self->enter_link;	2681	$self->enter_link;
1831		2682
1832	(async {	2683	(async {
1833	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
1834	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
1835	prepare_random_map $exit	2693	prepare_random_map $exit
1836	if $exit->slaying eq "/!";	2694	if $exit->slaying eq "/!";
		2695	}
1837		2696
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
1840		2700
		2701	$self->goto ($map, $x, $y);
		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
1841	1;	2707	1
1842	}) {	2708	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
1844	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2711	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2713
1848	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2715	$self->leave_link;
1850	}	2716	}
1851	})->prio (1);	2717	})->prio (1);
…		…
1864		2730
1865	sub cf::client::send_drawinfo {	2731	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2732	my ($self, $text, $flags) = @_;
1867		2733
1868	utf8::encode $text;	2734	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2736	}
1871		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
		2889	=item $client->ext_msg ($type, @msg)
		2890
		2891	Sends an ext event to the client.
		2892
		2893	=cut
		2894
		2895	sub cf::client::ext_msg($$@) {
		2896	my ($self, $type, @msg) = @_;
		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
		2901	push @msg, msgtype => "event_$type";
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
		2922	}
1872		2923
1873	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
1874		2925
1875	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2927	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		2929
1879	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	2931	become reliable at some point in the future.
1881		2932
1882	=cut	2933	=cut
1883		2934
1884	sub cf::client::query {	2935	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	2944	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		2946
1896	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
1898	}	2951	}
1899		2952
1900	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
1901	on_reply => sub {	2959	on_reply => sub {
1902	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
1903		2961
1904	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
1905	# get handled first	2963	# get handled first
1906	my $queue = delete $ns->{query_queue}	2964	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2965	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2966
1909	(shift @$queue)->[1]->($msg);	2967	(shift @$queue)->[1]->($msg);
		2968	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2969
1911	push @{ $ns->{query_queue} }, @$queue;	2970	push @{ $ns->{query_queue} }, @$queue;
1912		2971
1913	if (@{ $ns->{query_queue} } == @$queue) {	2972	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2973	if (@$queue) {
…		…
1916	} else {	2975	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	2977	}
1919	}	2978	}
1920	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
1921	);	3006	);
1922		3007
1923	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
1924		3009
1925	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
1966	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
1968		3053
1969	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
1970		3055
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
1972		3061
1973	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
1974		3063
1975	=pod	3064	=pod
1976		3065
1977	The following fucntions and emthods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
1978		3067
1979	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
1980	cf::object::player player	3072	cf::object::player
1981	cf::player peaceful	3073	player
1982	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
1983		3080
1984	=cut	3081	=cut
1985		3082
1986	for (	3083	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
1988	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
1990	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
1991	) {	3090	) {
1992	no strict 'refs';	3091	no strict 'refs';
…		…
2063	=back	3162	=back
2064		3163
2065	=cut	3164	=cut
2066		3165
2067	#############################################################################	3166	#############################################################################
		3167	# the server's init and main functions
2068		3168
2069	=head2 EXTENSION DATABASE SUPPORT	3169	sub load_facedata($) {
		3170	my ($path) = @_;
2070		3171
2071	Crossfire maintains a very simple database for extension use. It can	3172	# HACK to clear player env face cache, we need some signal framework
2072	currently store anything that can be serialised using Storable, which	3173	# for this (global event?)
2073	excludes objects.	3174	%ext::player_env::MUSIC_FACE_CACHE = ();
2074		3175
2075	The parameter C<$family> should best start with the name of the extension	3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2076	using it, it should be unique.
2077		3177
2078	=over 4	3178	warn "loading facedata from $path\n";
2079		3179
2080	=item $hashref = cf::db_get $family	3180	my $facedata;
		3181	0 < aio_load $path, $facedata
		3182	or die "$path: $!";
2081		3183
2082	Return a hashref for use by the extension C<$family>, which can be	3184	$facedata = Coro::Storable::thaw $facedata;
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085		3185
2086	=item $value = cf::db_get $family => $key	3186	$facedata->{version} == 2
		3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2087		3188
2088	Returns a single value from the database	3189	# patch in the exptable
2089		3190	$facedata->{resource}{"res/exp_table"} = {
2090	=item cf::db_put $family => $hashref	3191	type => FT_RSRC,
2091		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}
2118
2119	my $pid;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	3193	};
		3194	cf::cede_to_tick;
2141		3195
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}	3196	{
		3197	my $faces = $facedata->{faceinfo};
2146		3198
2147	sub db_get($;$) {	3199	while (my ($face, $info) = each %$faces) {
2148	@_ >= 2	3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		3201
2153	sub db_put($$;$) {	3202	cf::face::set_visibility $idx, $info->{visibility};
2154	if (@_ >= 3) {	3203	cf::face::set_magicmap $idx, $info->{magicmap};
2155	$DB->{$_[0]}{$_[1]} = $_[2];	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2156	} else {	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		3206
2162	cf::global->attach (	3207	cf::cede_to_tick;
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	3208	}
2167	);
2168	}
2169		3209
2170	#############################################################################	3210	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	3211	next unless $info->{smooth};
2172		3212
2173	sub cfg_load {	3213	my $idx = cf::face::find $face
		3214	or next;
		3215
		3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
		3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3219	} else {
		3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	{
		3228	my $anims = $facedata->{animinfo};
		3229
		3230	while (my ($anim, $info) = each %$anims) {
		3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3232	cf::cede_to_tick;
		3233	}
		3234
		3235	cf::anim::invalidate_all; # d'oh
		3236	}
		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
		3273	1
		3274	}
		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
		3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
		3319	load_resource_file "$MAPDIR/regions"
		3320	or die "unable to load regions file\n";
		3321
		3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
		3326	}
		3327
		3328	sub reload_facedata {
		3329	load_facedata "$DATADIR/facedata"
		3330	or die "unable to load facedata\n";
		3331	}
		3332
		3333	sub reload_archetypes {
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
		3343	sub reload_resources {
		3344	warn "reloading resource files...\n";
		3345
		3346	reload_facedata;
		3347	reload_archetypes;
		3348	reload_regions;
		3349	reload_treasures;
		3350
		3351	warn "finished reloading resource files\n";
		3352	}
		3353
		3354	sub reload_config {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	3356	or return;
2176		3357
2177	local $/;	3358	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2179		3360
2180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2181		3362
2182	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2183	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2189	};	3370	};
2190	warn $@ if $@;	3371	warn $@ if $@;
2191	}	3372	}
2192	}	3373	}
2193		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2194	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
2195	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2198	async { Event::one_event };	3413	(async {
		3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
		3416	})->prio (Coro::PRIO_MAX);
2199	};	3417	};
2200		3418
2201	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
2202	db_load;	3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
		3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
2203	load_extensions;	3437	load_extensions;
		3438
		3439	utime time, time, $RUNTIMEFILE;
		3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
2204	Event::loop;	3447	EV::loop;
2205	}	3448	}
2206		3449
2207	#############################################################################	3450	#############################################################################
2208	# initialisation and cleanup	3451	# initialisation and cleanup
2209		3452
2210	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2211	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2212	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2214	data => WF_AUTOCANCEL,
2215	signal => $signal,
2216	cb => sub {
2217	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2218	},
2219	);	3459	};
		3460	}
		3461	}
		3462
		3463	sub write_runtime_sync {
		3464	# first touch the runtime file to show we are still running:
		3465	# the fsync below can take a very very long time.
		3466
		3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3468
		3469	my $guard = cf::lock_acquire "write_runtime";
		3470
		3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = $cf::RUNTIME + 90 + 10;
		3475	# 10 is the runtime save interval, for a monotonic clock
		3476	# 60 allows for the watchdog to kill the server.
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	# touch it again to show we are up-to-date
		3486	aio_utime $fh, undef, undef;
		3487
		3488	close $fh
		3489	or return;
		3490
		3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3492	and return;
		3493
		3494	warn "runtime file written.\n";
		3495
2220	}	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2221	}	3547	}
2222		3548
2223	sub emergency_save() {	3549	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2225		3551
2226	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2227		3553
2228	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
2229	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2233	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2236	$pl->save;	3568	$pl->save;
2237	}	3569	}
2238	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2239		3571
2240	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2241	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2242	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3575	$map->valid or next;
2244	$map->save;	3576	$map->save;
2245	}	3577	}
2246	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
		3579
		3580	warn "emergency_perl_save: begin database checkpoint\n";
		3581	BDB::db_env_txn_checkpoint $DB_ENV;
		3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2247	};	3587	};
2248		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2249	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2250	}	3595	}
2251		3596
		3597	sub post_cleanup {
		3598	my ($make_core) = @_;
		3599
		3600	warn Carp::longmess "post_cleanup backtrace"
		3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
		3631	}
		3632
2252	sub reload() {	3633	sub do_reload_perl() {
2253	# can/must only be called in main	3634	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	3636	warn "can only reload from main coroutine";
2256	return;	3637	return;
2257	}	3638	}
2258		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2259	warn "reloading...";	3645	warn "reloading...";
2260		3646
2261	my $guard = freeze_mainloop;	3647	warn "entering sync_job";
		3648
		3649	cf::sync_job {
		3650	cf::write_runtime_sync; # external watchdog should not bark
2262	cf::emergency_save;	3651	cf::emergency_save;
		3652	cf::write_runtime_sync; # external watchdog should not bark
2263		3653
2264	eval {	3654	warn "syncing database to disk";
		3655	BDB::db_env_txn_checkpoint $DB_ENV;
		3656
2265	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
2266		3658
2267	# cancel all watchers	3659	warn "flushing outstanding aio requests";
2268	for (Event::all_watchers) {	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2270	}
2271
2272	# cancel all extension coros
2273	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();
2275
2276	# unload all extensions
2277	for (@exts) {
2278	warn "unloading <$_>";
2279	unload_extension $_;
2280	}
2281
2282	# unload all modules loaded from $LIBDIR
2283	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285
2286	warn "removing <$k>";
2287	delete $INC{$k};
2288
2289	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;
2291
2292	if (my $cb = $k->can ("unload_module")) {
2293	$cb->();
2294	}	3662	}
2295		3663
2296	Symbol::delete_package $k;	3664	warn "cancelling all extension coros";
		3665	$_->cancel for values %EXT_CORO;
		3666	%EXT_CORO = ();
		3667
		3668	warn "removing commands";
		3669	%COMMAND = ();
		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
		3677	warn "... unloading $pkg";
		3678
		3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
		3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2297	}	3688	}
2298		3689
2299	# sync database to disk	3690	warn "unloading all perl modules loaded from $LIBDIR";
2300	cf::db_sync;	3691	while (my ($k, $v) = each %INC) {
2301	IO::AIO::flush;	3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2302		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
		3705	}
		3706
2303	# get rid of safe::, as good as possible	3707	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3710
2307	# remove register_script_function callbacks	3711	warn "unloading cf.pm \"a bit\"";
2308	# TODO
2309
2310	# unload cf.pm "a bit"
2311	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
		3713	delete $INC{"cf/pod.pm"};
2312		3714
2313	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3716	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2316		3718
2317	# reload cf.pm	3719	warn "unload completed, starting to reload now";
		3720
2318	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2319	require cf;	3722	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		3724
2322	# load config and database again	3725	warn "loading config and database again";
2323	cf::cfg_load;	3726	cf::reload_config;
2324	cf::db_load;
2325		3727
2326	# load extensions
2327	warn "load extensions";	3728	warn "loading extensions";
2328	cf::load_extensions;	3729	cf::load_extensions;
2329		3730
2330	# reattach attachments to objects	3731	if ($REATTACH_ON_RELOAD) {
2331	warn "reattach";	3732	warn "reattaching attachments to objects/players";
2332	_global_reattach;	3733	_global_reattach; # objects, sockets
		3734	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
		3736	warn "reattaching attachments to players";
		3737	reattach $_ for values %PLAYER;
		3738	}
		3739
		3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
		3742
		3743	warn "leaving sync_job";
		3744
		3745	1
		3746	} or do {
		3747	warn $@;
		3748	cf::cleanup "error while reloading, exiting.";
		3749	};
		3750
		3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
		3757	};
		3758
		3759	our $RELOAD_WATCHER; # used only during reload
		3760
		3761	sub reload_perl() {
		3762	# doing reload synchronously and two reloads happen back-to-back,
		3763	# coro crashes during coro_state_free->destroy here.
		3764
		3765	$RELOAD_WATCHER ||= cf::async {
		3766	Coro::AIO::aio_wait cache_extensions;
		3767
		3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3769	do_reload_perl;
		3770	undef $RELOAD_WATCHER;
		3771	};
2334	};	3772	};
2335
2336	if ($@) {
2337	warn $@;
2338	warn "error while reloading, exiting.";
2339	exit 1;
2340	}
2341
2342	warn "reloaded successfully";
2343	};
2344
2345	#############################################################################
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	3773	}
2387
2388	register "<global>", __PACKAGE__;
2389		3774
2390	register_command "reload" => sub {	3775	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
2392		3777
2393	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	3779	$who->message ("reloading server.");
		3780	async {
		3781	$Coro::current->{desc} = "perl_reload";
		3782	reload_perl;
		3783	};
2397	}	3784	}
2398	};	3785	};
2399		3786
2400	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
2401		3788
2402	$TICK_WATCHER = Event->timer (	3789	my $bug_warning = 0;
2403	reentrant => 0,	3790
2404	prio => 0,	3791	our @WAIT_FOR_TICK;
2405	at => $NEXT_TICK || $TICK,	3792	our @WAIT_FOR_TICK_BEGIN;
2406	data => WF_AUTOCANCEL,	3793
2407	cb => sub {	3794	sub wait_for_tick {
		3795	return if tick_inhibit || $Coro::current == $Coro::main;
		3796
		3797	my $signal = new Coro::Signal;
		3798	push @WAIT_FOR_TICK, $signal;
		3799	$signal->wait;
		3800	}
		3801
		3802	sub wait_for_tick_begin {
		3803	return if tick_inhibit || $Coro::current == $Coro::main;
		3804
		3805	my $signal = new Coro::Signal;
		3806	push @WAIT_FOR_TICK_BEGIN, $signal;
		3807	$signal->wait;
		3808	}
		3809
		3810	sub tick {
		3811	if ($Coro::current != $Coro::main) {
		3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3813	unless ++$bug_warning > 10;
		3814	return;
		3815	}
		3816
2408	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;
2411		3818
2412	$WAIT_FOR_TICK->broadcast;	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2414		3821	Coro::async_pool {
2415	# if we are delayed by four ticks or more, skip them all	3822	$Coro::current->{desc} = "runtime saver";
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417
2418	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;
2420	},
2421	);
2422
2423	IO::AIO::max_poll_time $TICK * 0.2;
2424
2425	Event->io (
2426	fd => IO::AIO::poll_fileno,
2427	poll => 'r',
2428	prio => 5,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,
2435	after => 0,
2436	interval => 10,
2437	cb => sub {
2438	(Coro::unblock_sub {
2439	write_runtime	3823	write_runtime_sync
2440	or warn "ERROR: unable to write runtime file: $!";	3824	or warn "ERROR: unable to write runtime file: $!";
2441	})->();	3825	};
2442	},	3826	}
2443	);	3827
		3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3829	$sig->send;
		3830	}
		3831	while (my $sig = shift @WAIT_FOR_TICK) {
		3832	$sig->send;
		3833	}
		3834
		3835	$LOAD = ($NOW - $TICK_START) / $TICK;
		3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3837
		3838	if (0) {
		3839	if ($NEXT_TICK) {
		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
		3844	}
		3845	}
		3846
		3847	{
		3848	# configure BDB
		3849
		3850	BDB::min_parallel 8;
		3851	BDB::max_poll_reqs $TICK * 0.1;
		3852	$AnyEvent::BDB::WATCHER->priority (1);
		3853
		3854	unless ($DB_ENV) {
		3855	$DB_ENV = BDB::db_env_create;
		3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3861
		3862	cf::sync_job {
		3863	eval {
		3864	BDB::db_env_open
		3865	$DB_ENV,
		3866	$BDBDIR,
		3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3869	0666;
		3870
		3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3872	};
		3873
		3874	cf::cleanup "db_env_open(db): $@" if $@;
		3875	};
		3876	}
		3877
		3878	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3879	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3880	};
		3881	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3882	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3883	};
		3884	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3885	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3886	};
		3887	}
		3888
		3889	{
		3890	# configure IO::AIO
		3891
		3892	IO::AIO::min_parallel 8;
		3893	IO::AIO::max_poll_time $TICK * 0.1;
		3894	undef $AnyEvent::AIO::WATCHER;
		3895	}
		3896
		3897	my $_log_backtrace;
		3898
		3899	sub _log_backtrace {
		3900	my ($msg, @addr) = @_;
		3901
		3902	$msg =~ s/\n//;
		3903
		3904	# limit the # of concurrent backtraces
		3905	if ($_log_backtrace < 2) {
		3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
		3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
		3911	my @bt = fork_call {
		3912	@addr = map { sprintf "%x", $_ } @addr;
		3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3914	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3915	or die "addr2line: $!";
		3916
		3917	my @funcs;
		3918	my @res = <$fh>;
		3919	chomp for @res;
		3920	while (@res) {
		3921	my ($func, $line) = splice @res, 0, 2, ();
		3922	push @funcs, "[$func] $line";
		3923	}
		3924
		3925	@funcs
		3926	};
		3927
		3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3930	LOG llevInfo, "[ABT] $_\n" for @bt;
		3931	--$_log_backtrace;
		3932	};
		3933	} else {
		3934	LOG llevInfo, "[ABT] $msg\n";
		3935	LOG llevInfo, "[ABT] [suppressed]\n";
		3936	}
		3937	}
		3938
		3939	# load additional modules
		3940	use cf::pod;
2444		3941
2445	END { cf::emergency_save }	3942	END { cf::emergency_save }
2446		3943
2447	1	3944	1
2448		3945

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